Ferm WEM1001 Owner's manual

Category
Welding System
Type
Owner's manual

This manual is also suitable for

46 Ferm
SPARE PARTS LIST CONCEPT 1500
REF NR DESCRIPTION FERM NR
001 SWITCH (5 CONT. POINTS) 100357
002 THERMAL FUSE 100015
005 GRIP 100009
006 HANDWHEEL + ADJUSTMENT SCREW (23CM) 100010
006 HANDWHEEL + ADJUSTMENT SCREW (26CM) 100011
007 PULL RELIEF 101737
010 CURRENT INDICATOR 100003
011 SHUNT 101426
012 SPRING FOR SHUNT 102152
013 BACKPANEL 100008
- SWITCH (4 CONT.POINTS) 100004
- SCALING HAMMER/STEEL WIRE BRUSH 100005
- WELDING GLASS 140500
- WELDING MASK (EXCL. GLASS) 100007
WELDING MACHINE
THE NUMBERS IN THE FOLLOWING TEXT COR-
RESPOND WITH THE PICTURES AT PAGE 2
TECHNICAL SPECIFICATIONS
DESCRIPTION
EN 50060 Standard relative to welders for limited
use.
Onephase transformer.
P (W) Power in Watts.
Uo (V) No-load voltage in Volt.
f (Hz) Mains frequency in Herz.
I2 (A) Conventional welding current in ampère.
d (mm) Diameter of electrodes in mm.
nc Number of electrodes starting at room
temperature until thermostat intervenes.
nh Number of weldable electrodes after.
thermostat intervenes in first hour.
U1 (V) Mains voltage in Volt.
I1Max (A) Maximum absorbed current. Value in
ampère of use or automatic switch.
Fuse.
IP21 Protection grade covering.
H Class of isolation of transform.
Thermostat.
Collet.
Work collet.
Standardized plug.
ACCESSORIES AND SPARE PARTS
The following is supplied with your welding machine:
Manual
Cables
Work clamp
Collet clamp
Protective mask
Scaling hammer
Steelbrush.
Spare parts are available through your local Ferm dealer.
When ordering parts, use the numbers listed in the Parts
List. Parts without an number are not available.
SAFETY INSTRUCTIONS
The following symbols are used in these instructions for
use:
Denotes risk of personal injury, loss of life or
damage to the tool in case of non-observance of the
instructions in this manual.
Denotes risk of electric shock.
Carefully read this manual before using the machine.
Make sure that you know how the machine functions and
how to operate it. Maintain the machine in accordance
with the instructions to make sure it functions properly.
Keep this manual and the enclosed documentation with
the machine.
When using electric machines always observe the
safety regulations applicable in your country to
reduce the risk of fire, electric shock and personal
injury. Read the following safety instructions and
also the enclosed safety instructions.
SPECIAL SAFETY RULES
Arc welding produces sparks and fused metal projec-
tiles and fumes: remove all flammable substances and
materials from work area.
Provide adequate ventilation of facilities where wel-
ding takes place. Arc welding emits fumes which can
be dangerous.
Do not weld on containers or pipes which hold or
have held flammable liquid or gaseous combustibles
(danger of explosions and/or fires) or on materials
cleaned with chlorinated solvents or on varnished
surface (danger of toxic fumes).
Make sure connection is correct from welder to sup-
ply (mains connection). Any electric shock received
is potentially lethal.
Avoid stretching the supply cable; unplug before
moving machine.
Keep welding cables, elektrode holder and work
clamp in good condition; wearing out of isolation and
structural parts carrying current is DANGEROUS
and results in poor welding quality.
Avoid direct contact with welding circuit. The no-
load voltage between collet and work clamp can be
dangerous.
Do not use the machine in damp or wet places and do
not weld in the rain.
Always protect your eyes with the fitting glasses
(grade DIN 9 - 10) equipped with this machine.
Use gloves and proper protective clothing which are
dry and not soiled by oil or grease.
Avoid exposing skin to the ultraviolet rays produced
by the arc. The light radiation produced by the arc can
damage eyesight and cause burns on the skin.
This welder is automatically protected from thermic
overheating (thermostat automatic re-start). When
the windings reach performance temperature, the
protection cuts off the supply circuit. After a few
minutes cooling the protection will reopen the sup-
ply line. The welder is ready for further use.
Mains voltage | 230 V~
Frequency | 50 Hz
Absorbed power max. | 2.5 kVA
Welding current | 40 - 140 A
No load voltage | 45 - 48 V
Usable electrodes | 1.5 - 3.15 mm
Weight | 14.0 kg
UK
English
Ferm 3
Ferm 45
When you’re scaling off the welding slack, protect
yourself from the hot iron by using eyeprotection
and gloves.
The workpiece can misform during cooling off. Take
care.
IMMEDIATELY SWITCH OFF THE MACHINE
IN CASE OF:
Malfunction of the mainsplug, -socket or damaged
cables.
Broken switch.
Smoke or smell caused by scorched insulation.
MAKE SURE THESE SAFETY RULES ARE NOT
BROKEN, OTHERWISE THE GUARANTEE PROVI-
SIONS WILL BE CANCELLED.
ELECTRICAL SAFETY
Always check that the mains voltage corresponds
to the voltage on the rating plate.
Replacing cables or plugs
Immediately throw away old cables or plugs when they
have been replaced by new ones. It is dangerous to insert
the plug of a loose cable in the wall socket.
Connect to the mains cable a standardized plug of ade-
quate capacity to which the yellow/green conductor of
the cable is to be connected. Set a standardized plug
equipped with fuses or an automatic switch; the correct
terminal is to be grounded to the distribution mains. Use
fuses of 16 Ampère Slow as a minimum.
Immediately throw away old cables or plugs when they
have been replaced by new ones. It is dangerous to insert
the plug of a loose cable in the wall outlet.
Using extension cables
Only use an approved extension cable suitable for the
power input of the machine. The minimum conductor
size is 1.5 mm
2
. When using a cable reel always unwind
the reel completely.
BEFORE OPERATING THE
MACHINE
EXECUTION OF WELD
Fig.A
After carrying out all electrical connections necessary
both on mains and welding circuits proceed in the follo-
wing way. Arc welding with an elektric welding machine
is a method in which the warmth is delivered by the arc.
This arc is made between the electrode and the work-
piece.
NB: Before carrying out difficult welds do a practise run,
only practice will allow you to obtain a neat and durable
weld.
The temperature of the arc is 4000° Celsius what makes
the electrode and the workpiece melt. As long as the arc
is maintained the electrode will melt and it will supply the
material for the connection.
The distance between the electrode and the workpiece
must be 1.5 - 4 mm, depending on the diameter of the
electrode and the material it is made of. The required
welding current is supplied by the welding machine. The
required capacity of the welding machine depends on the
connections to be made.
THE ELECTRODE
The electrode consists of an iron core with cover. This
cover consists partly of irondust. While welding the
cover will melt and it will vapor. This way a gas surrounds
the welding area protecting the melted iron from oxygen
in the air. Some parts of the cover will floot on the melted
iron (it is of less weight than the iron) and it will protect
the iron while cooling off. After cooling this cover can be
removed easily by a scaling hammer or steelbrush. Make
sure the cover of the electrode is not incapsulated by the
iron. This would make an unreliable connection.
Treat the electrodes with caution. The cover can be
damaged and this will make the welding very diffi-
cult. Make sure the electrodes are stored cool and dry.
Choice of the electrode
To make a good connection it is important to choose the
right electrode. Also the position in which you have to
make the connection, for example above your head, is
important while choosing the electrode. A normal elek-
trode can do most ordinary welding jobs.
Electrodes are available in three types:
1. Fast solidification
The cover consists of a lot organic material, which
give a good gasprotection. It can be used in all kinds of
positions, specially for vertical, downgoing connec-
tions.
2. Medium solidification
The cover consists of a lot organic material. Good
welding in all positions except vertical, downgoing
connections. They are useful for vertical, upgoing
connections.
4 Ferm
3. Slow solidification
The cover is thicker than the other two types and
consists less organic material. Thick compact slack.
The meltingbath is very thin liquid. Connections
most of the time in horizontal direction. For welding
aluminium and stainless steel special electrode are
available. Ask for advice from your local Ferm-dealer.
PERFORMANCE
The performance of this welder may be expressed by the
number of electrodes : nc and nh.
nc: Refers to the number of electrodes which may be
welded when the welder commences at room tempera-
ture until the thermostat intervenes.
nh: Refers to the AVERAGE VALUE of the number of
electrodes which may be welded between re-start and
intervention of thermostat, in the first hour of use.
WELDINGCURRENT
By turning the wheel clockwise the current is increased.
By turning the wheel counter-clockwise the current is
decreased. The value of the current (I2) may be read on
the graduated scale on the upper panel and corresponds
to the voltage of the arc (U2) according to the equation
U2(V)=18 + 0,04 x I2 (EN 50060). When you’re using
long extension cables, the current is reduced considera-
bly. The required current also depends on the size of the
workpiece. Small workpieces require a smaller current.
Workpiece Electrode core Welding
thickness Ø (mm2) current (A)
2 - 3 2 4 5 - 6 5
4 - 5 2,5 70 - 95
6 - 7 3,25 90 - 130
8 - 12 4 130 - 160
Tab.1
OPERATING THE MACHINE
COLLET CABLE
This has a special clamp on the terminal to attach to the
exposed part of the electrode.
WORK CABLE
This must be directly connected to the workpiece or the
work bench.
Make sure contact to workpiece is adequate by
avoiding varnished surfaces and/or non-metallic
materials.
PROTECTIVE MASK
Fig.B
This must ALWAYS be used during welding and protects
the eyes from the light radiation produced by the arc.
The mask alows observation of the welding being carried
out.
1. Mask
2. Glass
3. Filter
4. Handgrip
Assemble the welding glass and the cover glass,
before you begin to weld.
Never look directly into the arc without the use of a protective
mask.
SCALING HAMMER
With this hammer the slack of the welded connection
can be removed. Do not hit too hard, otherwise the con-
nection will be damaged. Always use safety glasses.
STEELBRUSH
With this steelbrush you can remove rust before atta-
ching the work cable to the workpiece or to remove the
slack after welding.
CHARACTERISTICS OF THE WELD SEAM
Fig.C
1. Advancement too low
2. Excessive advancement
3. Arc too short
4. Arc too long
5. Current too low
6. Current too high
7. Current correct
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ДЕКЛАРАЦИЯ О СООТВЕТСТВИИ ВЕЛИКОБРИТАНИЯ
(
R
)
Ferm 43
WELDING
Fig.D
Insert the exposed part of the electrode into the col-
let and connect the work clamp to the welding piece
taking care that electric contact is good.
Turn on welder and regulate welding current in func-
tion of the electrode in use.
Holding the mask IN FRONT OF FACE stroke the
electrode point on the workpiece as if striking a
match. This is the most correct method for striking
the arc.
Don’t hit the electrode on the workpiece, which will
damage the stick electrode and make arc strike-up
difficult.
Immediately after arc strike up try to maintain a dis-
tance from the workpiece which is equivalent to the
diameter of the electrode used. Maintain this dis-
tance as constantly as possible during the weld,
remember that the inclination of the electrode to the
advancement must be 20° - 30°.
Always use pliers to remove consumed electrodes
or to move welded pieces.
MALFUNCTION
Below we have listed a number of possible causes and
corresponding solutions in case the machine does not
function as it should:
When the welding machine doesn’t function,
check the following
The thermal fuse is disconnected.
The fuse is defect (mains).
The work cable is not connected with the workpiece.
The collet or work cable or the mains supply is dama-
ged.
MAINTENANCE
Make sure that the machine is not live when car-
rying out maintenance work on the motor.
The Ferm machines have been designed to operate over
a long period of time with a minimum of maintenance.
Continuous satisfactory operation depends upon pro-
per machine care and regular cleaning.
Cleaning
Keep the ventilation slots of the machine clean to pre-
vent overheating.
Regularly clean the machine housing with a soft cloth,
preferably after each use. Keep the ventilation slots free
from dust and dirt.
Faults
Should a fault occur, e.g. after wear of a part, please con-
tact your local Ferm dealer.
In the back of this manual you find an exploded view
showing the parts that can be ordered.
ENVIRONMENT
In order to prevent the machine from damage during
transport, it is delivered in a sturdy packaging. Most of
the packaging materials can be recycled. Take these
materials to the appropriate recycling locations.
Take your unwanted machines to your local Ferm-
dealer. Here they will be disposed of in an environmen-
tally safe way.
6 Ferm
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Ferm WEM1001 Owner's manual

Category
Welding System
Type
Owner's manual
This manual is also suitable for

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